The York County SPCA is looking for information on who abandoned a malnourished, mixed-breed dog last week in East Manchester Township, according to Executive Director Melissa Smith.

The 5-month-old male dog, now named Linus, was found by a passerby on Jerusalem School Road on Thursday evening, Smith said.

That person called the SPCA, and a humane officer was sent to take custody of Linus.

"He was extremely, extremely emaciated," Smith said. "He was weighing about 15 pounds. His normal weight should be at least twice that."

Smith said the SPCA believes Linus was confined -- either to a crate or a basement -- because his nails were very long. If he had been allowed to run, his nails would have naturally been worn down, she said.